diff options
Diffstat (limited to 'contrib/byacc/main.c')
| -rw-r--r-- | contrib/byacc/main.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/contrib/byacc/main.c b/contrib/byacc/main.c index 620ce3f..37889c3 100644 --- a/contrib/byacc/main.c +++ b/contrib/byacc/main.c @@ -1,4 +1,4 @@ -/* $Id: main.c,v 1.55 2015/07/11 00:34:19 tom Exp $ */ +/* $Id: main.c,v 1.56 2016/03/25 00:16:28 Jung-uk.Kim Exp $ */ #include <signal.h> #ifndef _WIN32 @@ -410,32 +410,46 @@ alloc_file_name(size_t len, const char *suffix) return result; } +static char * +find_suffix(char *name, const char *suffix) +{ + size_t len = strlen(name); + size_t slen = strlen(suffix); + if (len >= slen) + { + name += len - slen; + if (strcmp(name, suffix) == 0) + return name; + } + return NULL; +} + static void create_file_names(void) { size_t len; const char *defines_suffix; const char *externs_suffix; - char *prefix; + char *suffix; - prefix = NULL; + suffix = NULL; defines_suffix = DEFINES_SUFFIX; externs_suffix = EXTERNS_SUFFIX; /* compute the file_prefix from the user provided output_file_name */ if (output_file_name != 0) { - if (!(prefix = strstr(output_file_name, OUTPUT_SUFFIX)) - && (prefix = strstr(output_file_name, ".c"))) + if (!(suffix = find_suffix(output_file_name, OUTPUT_SUFFIX)) + && (suffix = find_suffix(output_file_name, ".c"))) { defines_suffix = ".h"; externs_suffix = ".i"; } } - if (prefix != NULL) + if (suffix != NULL) { - len = (size_t) (prefix - output_file_name); + len = (size_t) (suffix - output_file_name); file_prefix = TMALLOC(char, len + 1); NO_SPACE(file_prefix); strncpy(file_prefix, output_file_name, len)[len] = 0; @@ -477,7 +491,7 @@ create_file_names(void) CREATE_FILE_NAME(graph_file_name, GRAPH_SUFFIX); } - if (prefix != NULL) + if (suffix != NULL) { FREE(file_prefix); } |
