X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/96f5fe4ce29825208eafffcb3579d789dc5b45d1..4c04137d73637107669e02b21f890387aaa2ef34:/src/src/string.c diff --git a/src/src/string.c b/src/src/string.c index 4ef6a3773..cec59506d 100644 --- a/src/src/string.c +++ b/src/src/string.c @@ -2,7 +2,7 @@ * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) University of Cambridge 1995 - 2015 */ +/* Copyright (c) University of Cambridge 1995 - 2016 */ /* See the file NOTICE for conditions of use and distribution. */ /* Miscellaneous string-handling functions. Some are not required for @@ -306,7 +306,7 @@ expanded string. */ ss = store_get(length + nonprintcount * 3 + 1); -/* Copy everying, escaping non printers. */ +/* Copy everything, escaping non printers. */ t = s; tt = ss; @@ -952,7 +952,7 @@ else for (;;) { for (ss = s + 1; *ss != 0 && *ss != sep; ss++); - buffer = string_cat(buffer, &size, &ptr, s, ss-s); + buffer = string_catn(buffer, &size, &ptr, s, ss-s); s = ss; if (*s == 0 || *(++s) != sep || sep_is_special) break; } @@ -974,14 +974,14 @@ return buffer; ************************************************/ /* This function is used to build a list, returning an allocated null-terminated growable string. The -given element has any embedded seperator characters +given element has any embedded separator characters doubled. Arguments: list points to the start of the list that is being built, or NULL if this is a new list that has no contents yet - sep list seperator charactoer - ele new lement to be appended to the list + sep list separator character + ele new element to be appended to the list Returns: pointer to the start of the list, changed if copied for expansion. */ @@ -995,17 +995,17 @@ uschar * sp; if (list) { - new = string_cat(new, &sz, &off, list, Ustrlen(list)); - new = string_cat(new, &sz, &off, &sep, 1); + new = string_cat (new, &sz, &off, list); + new = string_catn(new, &sz, &off, &sep, 1); } while((sp = Ustrchr(ele, sep))) { - new = string_cat(new, &sz, &off, ele, sp-ele+1); - new = string_cat(new, &sz, &off, &sep, 1); + new = string_catn(new, &sz, &off, ele, sp-ele+1); + new = string_catn(new, &sz, &off, &sep, 1); ele = sp+1; } -new = string_cat(new, &sz, &off, ele, Ustrlen(ele)); +new = string_cat(new, &sz, &off, ele); new[off] = '\0'; return new; } @@ -1039,18 +1039,18 @@ const uschar * sp; if (list) { - new = string_cat(new, &sz, &off, list, Ustrlen(list)); - new = string_cat(new, &sz, &off, &sep, 1); + new = string_cat (new, &sz, &off, list); + new = string_catn(new, &sz, &off, &sep, 1); } while((sp = Ustrnchr(ele, sep, &len))) { - new = string_cat(new, &sz, &off, ele, sp-ele+1); - new = string_cat(new, &sz, &off, &sep, 1); + new = string_catn(new, &sz, &off, ele, sp-ele+1); + new = string_catn(new, &sz, &off, &sep, 1); ele = sp+1; len--; } -new = string_cat(new, &sz, &off, ele, len); +new = string_catn(new, &sz, &off, ele, len); new[off] = '\0'; return new; } @@ -1078,7 +1078,7 @@ Arguments: characters, updated to the new offset s points to characters to add count count of characters to add; must not exceed the length of s, if s - is a C string + is a C string. If -1 given, strlen(s) is used. If string is given as NULL, *size and *ptr should both be zero. @@ -1091,7 +1091,7 @@ Returns: pointer to the start of the string, changed if copied for expansion. /* coverity[+alloc] */ uschar * -string_cat(uschar *string, int *size, int *ptr, const uschar *s, int count) +string_catn(uschar *string, int *size, int *ptr, const uschar *s, int count) { int p = *ptr; @@ -1141,11 +1141,18 @@ common use is a null string and zero size and pointer, on first use for a string being built. The "if" above then allocates, but Coverity assume that the "if" might not happen and whines for a null-deref done by the memcpy(). */ -/* coverity[deref_parm_field_in_call] */ +/* coverity[deref_parm_field_in_call] : FALSE */ memcpy(string + p, s, count); *ptr = p + count; return string; } + + +uschar * +string_cat(uschar *string, int *size, int *ptr, const uschar *s) +{ +return string_catn(string, size, ptr, s, Ustrlen(s)); +} #endif /* COMPILE_UTILITY */ @@ -1183,7 +1190,7 @@ va_start(ap, count); for (i = 0; i < count; i++) { uschar *t = va_arg(ap, uschar *); - string = string_cat(string, size, ptr, t, Ustrlen(t)); + string = string_cat(string, size, ptr, t); } va_end(ap); @@ -1205,10 +1212,10 @@ on whether the variable length list of data arguments are given explicitly or as a va_list item. The formats are the usual printf() ones, with some omissions (never used) and -two additions for strings: %S forces lower case, and %#s or %#S prints nothing -for a NULL string. Without the # "NULL" is printed (useful in debugging). There -is also the addition of %D and %M, which insert the date in the form used for -datestamped log files. +three additions for strings: %S forces lower case, %T forces upper case, and +%#s or %#S prints nothing for a NULL string. Without thr # "NULL" is printed +(useful in debugging). There is also the addition of %D and %M, which insert +the date in the form used for datestamped log files. Arguments: buffer a buffer in which to put the formatted string @@ -1421,6 +1428,7 @@ while (*fp != 0) case 's': case 'S': /* Forces *lower* case */ + case 'T': /* Forces *upper* case */ s = va_arg(ap, char *); if (s == NULL) s = null; @@ -1468,6 +1476,8 @@ while (*fp != 0) sprintf(CS p, "%*.*s", width, precision, s); if (fp[-1] == 'S') while (*p) { *p = tolower(*p); p++; } + else if (fp[-1] == 'T') + while (*p) { *p = toupper(*p); p++; } else while (*p) p++; if (!yield) goto END_FORMAT; @@ -1537,183 +1547,6 @@ return (eno == EACCES)? -#ifndef COMPILE_UTILITY -/************************************************* -* Generate local prt for logging * -*************************************************/ - -/* This function is a subroutine for use in string_log_address() below. - -Arguments: - addr the address being logged - yield the current dynamic buffer pointer - sizeptr points to current size - ptrptr points to current insert pointer - -Returns: the new value of the buffer pointer -*/ - -static uschar * -string_get_localpart(address_item *addr, uschar *yield, int *sizeptr, - int *ptrptr) -{ -uschar * s; - -s = addr->prefix; -if (testflag(addr, af_include_affixes) && s) - { -#ifdef SUPPORT_I18N - if (testflag(addr, af_utf8_downcvt)) - s = string_localpart_utf8_to_alabel(s, NULL); -#endif - yield = string_cat(yield, sizeptr, ptrptr, s, Ustrlen(s)); - } - -s = addr->local_part; -#ifdef SUPPORT_I18N -if (testflag(addr, af_utf8_downcvt)) - s = string_localpart_utf8_to_alabel(s, NULL); -#endif -yield = string_cat(yield, sizeptr, ptrptr, s, Ustrlen(s)); - -s = addr->suffix; -if (testflag(addr, af_include_affixes) && s) - { -#ifdef SUPPORT_I18N - if (testflag(addr, af_utf8_downcvt)) - s = string_localpart_utf8_to_alabel(s, NULL); -#endif - yield = string_cat(yield, sizeptr, ptrptr, s, Ustrlen(s)); - } - -return yield; -} - - -/************************************************* -* Generate log address list * -*************************************************/ - -/* This function generates a list consisting of an address and its parents, for -use in logging lines. For saved onetime aliased addresses, the onetime parent -field is used. If the address was delivered by a transport with rcpt_include_ -affixes set, the af_include_affixes bit will be set in the address. In that -case, we include the affixes here too. - -Arguments: - addr bottom (ultimate) address - all_parents if TRUE, include all parents - success TRUE for successful delivery - -Returns: a string in dynamic store -*/ - -uschar * -string_log_address(address_item *addr, BOOL all_parents, BOOL success) -{ -int size = 64; -int ptr = 0; -BOOL add_topaddr = TRUE; -uschar *yield = store_get(size); -address_item *topaddr; - -/* Find the ultimate parent */ - -for (topaddr = addr; topaddr->parent != NULL; topaddr = topaddr->parent); - -/* We start with just the local part for pipe, file, and reply deliveries, and -for successful local deliveries from routers that have the log_as_local flag -set. File deliveries from filters can be specified as non-absolute paths in -cases where the transport is goin to complete the path. If there is an error -before this happens (expansion failure) the local part will not be updated, and -so won't necessarily look like a path. Add extra text for this case. */ - -if (testflag(addr, af_pfr) || - (success && - addr->router != NULL && addr->router->log_as_local && - addr->transport != NULL && addr->transport->info->local)) - { - if (testflag(addr, af_file) && addr->local_part[0] != '/') - yield = string_cat(yield, &size, &ptr, CUS"save ", 5); - yield = string_get_localpart(addr, yield, &size, &ptr); - } - -/* Other deliveries start with the full address. It we have split it into local -part and domain, use those fields. Some early failures can happen before the -splitting is done; in those cases use the original field. */ - -else - { - if (addr->local_part != NULL) - { - const uschar * s; - yield = string_get_localpart(addr, yield, &size, &ptr); - yield = string_cat(yield, &size, &ptr, US"@", 1); - s = addr->domain; -#ifdef SUPPORT_I18N - if (testflag(addr, af_utf8_downcvt)) - s = string_localpart_utf8_to_alabel(s, NULL); -#endif - yield = string_cat(yield, &size, &ptr, s, Ustrlen(s) ); - } - else - { - yield = string_cat(yield, &size, &ptr, addr->address, Ustrlen(addr->address)); - } - yield[ptr] = 0; - - /* If the address we are going to print is the same as the top address, - and all parents are not being included, don't add on the top address. First - of all, do a caseless comparison; if this succeeds, do a caseful comparison - on the local parts. */ - - if (strcmpic(yield, topaddr->address) == 0 && - Ustrncmp(yield, topaddr->address, Ustrchr(yield, '@') - yield) == 0 && - addr->onetime_parent == NULL && - (!all_parents || addr->parent == NULL || addr->parent == topaddr)) - add_topaddr = FALSE; - } - -/* If all parents are requested, or this is a local pipe/file/reply, and -there is at least one intermediate parent, show it in brackets, and continue -with all of them if all are wanted. */ - -if ((all_parents || testflag(addr, af_pfr)) && - addr->parent != NULL && - addr->parent != topaddr) - { - uschar *s = US" ("; - address_item *addr2; - for (addr2 = addr->parent; addr2 != topaddr; addr2 = addr2->parent) - { - yield = string_cat(yield, &size, &ptr, s, 2); - yield = string_cat(yield, &size, &ptr, addr2->address, Ustrlen(addr2->address)); - if (!all_parents) break; - s = US", "; - } - yield = string_cat(yield, &size, &ptr, US")", 1); - } - -/* Add the top address if it is required */ - -if (add_topaddr) - { - yield = string_cat(yield, &size, &ptr, US" <", 2); - - if (addr->onetime_parent == NULL) - yield = string_cat(yield, &size, &ptr, topaddr->address, - Ustrlen(topaddr->address)); - else - yield = string_cat(yield, &size, &ptr, addr->onetime_parent, - Ustrlen(addr->onetime_parent)); - - yield = string_cat(yield, &size, &ptr, US">", 1); - } - -yield[ptr] = 0; /* string_cat() leaves space */ -return yield; -} -#endif /* COMPILE_UTILITY */ #ifndef COMPILE_UTILITY