X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=str.c;h=13776300d6ca1aa62479df6be4428a5ba8d836a0;hb=cac14c7d96355a9ca02f69627f01ddebe699afcc;hp=557eaa38ca6352dab2c435ae619ef0fc60700047;hpb=bc13db9debf825347d397c292e075cbe3f804ac0;p=dss.git diff --git a/str.c b/str.c index 557eaa3..1377630 100644 --- a/str.c +++ b/str.c @@ -1,8 +1,4 @@ -/* - * Copyright (C) 2004-2010 Andre Noll - * - * Licensed under the GPL v2. For licencing details see COPYING. - */ +/* SPDX-License-Identifier: GPL-2.0 */ #include #include #include @@ -147,16 +143,12 @@ __must_check __printf_1_2 __malloc char *make_message(const char *fmt, ...) n = vsnprintf(msg, size, fmt, ap); va_end(ap); /* If that worked, return the string. */ - if (n > -1 && n < size) - break; + if (n < size) + return msg; /* Else try again with more space. */ - if (n > -1) /* glibc 2.1 */ - size = n + 1; /* precisely what is needed */ - else /* glibc 2.0 */ - size *= 2; /* twice the old size */ + size = n + 1; /* precisely what is needed */ msg = dss_realloc(msg, size); } - return msg; } /** @@ -220,20 +212,21 @@ __must_check __malloc char *dss_logname(void) * * \param args The string to be split. * \param argv_ptr Pointer to the list of substrings. - * \param delim Delimiter. * - * This function modifies \a args by replacing each occurrence of \a delim by - * zero. A \p NULL-terminated array of pointers to char* is allocated dynamically - * and these pointers are initialized to point to the broken-up substrings - * within \a args. A pointer to this array is returned via \a argv_ptr. + * This function modifies the string given by the first argument by replacing + * all occurrences of space and '\t' characters by '\0'. A NULL-terminated + * array of pointers to char * is allocated dynamically, and these pointers are + * initialized to point to the broken-up substrings. A pointer to this array + * is returned via the last argument. * - * \return The number of substrings found in \a args. + * \return The number of substrings found. */ -unsigned split_args(char *args, char *** const argv_ptr, const char *delim) +unsigned split_args(char *args, char *** const argv_ptr) { char *p; char **argv; size_t n = 0, i, j; + const char delim[] = " \t"; p = args + strspn(args, delim); for (;;) {