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dtcm: Coverity 88006

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This commit is contained in:
Peter Howkins 2018-07-13 19:11:29 +01:00
parent 3a4527980d
commit c7a649afb9
1 changed files with 7 additions and 5 deletions
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12
cde/programs/dtcm/dtcm/misc.c
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@ -623,7 +623,7 @@ extern char *
cm_mbchar(char *str) { cm_mbchar(char *str) {
static char *string; static char *string;
static char *string_head; static char *string_head;
static char *buf; static char *buf = NULL;
int num_byte = 0; int num_byte = 0;
if ( str != NULL ) { if ( str != NULL ) {
@ -644,10 +644,12 @@ cm_mbchar(char *str) {
string_head = NULL; string_head = NULL;
} else { } else {
num_byte = mblen(string, MB_LEN_MAX); num_byte = mblen(string, MB_LEN_MAX);
buf = (char *)malloc(num_byte+1); if(num_byte > 0) {
strncpy(buf, string, num_byte); buf = (char *)malloc(num_byte+1);
buf[num_byte] = '\0'; strncpy(buf, string, num_byte);
string += num_byte; buf[num_byte] = '\0';
string += num_byte;
}
} }
return buf; return buf;