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refactor(find.c): New func to check for valid sym

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Sau P 2024-12-14 21:21:10 +00:00 committed by agvxov
parent e3297cdad2
commit a7958f510a
1 changed files with 20 additions and 7 deletions
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27
source/find.c
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@ -103,6 +103,7 @@ static char *findallfcns(const char *dummy);
static inline void trim_trailing_ws(char *str, size_t len);
static inline bool is_valid_c_symbol(char *str);
typedef char *(*FP)(const char *); /* pointer to function returning a character pointer */
/* Paralel array to "fields", indexed by "field" */
@ -690,6 +691,23 @@ void trim_trailing_ws(char *str, size_t len) {
*end = '\0';
}
static inline
bool is_valid_c_symbol(char *str) {
/* A symbol must start with an underscore or an alpha-numerical char */
if ((!isalpha((unsigned char)*str)) && (*str != '_')) {
return false;
}
/* Check whole string to ensure it is indeed all alpha and/or underscores */
while (*++str != '\0') {
if ((!isalpha((unsigned char)*str)) && (*str != '_')) {
return false;
}
}
return true;
}
/* initialize */
int findinit(const char *pattern_) {
@ -747,16 +765,11 @@ int findinit(const char *pattern_) {
} else {
/* check for a valid C symbol */
s = pattern;
if(!isalpha((unsigned char)*s) && *s != '_') {
if (!is_valid_c_symbol(s)) {
r = NOTSYMBOL;
goto end;
}
while(*++s != '\0') {
if(!isalnum((unsigned char)*s) && *s != '_') {
r = NOTSYMBOL;
goto end;
}
}
/* look for use of the -T option (truncate symbol to 8
characters) on a database not built with -T */
if(trun_syms == true && preserve_database == true && dbtruncated == false &&