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man2help: tidy-ups, clang-format, use memcpy

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Closes #1905
This commit is contained in:
Viktor Szakats
2026-04-30 13:48:54 +02:00
parent 295a2661cf
commit 429900e685
1 changed files with 53 additions and 64 deletions
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117
vms/man2help.c
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@@ -29,20 +29,12 @@ struct pf_fabnam {
/*----------------------------------------------------------*/
static void fpcopy(char *output, char *input, int len)
static void fpcopy(char *output, char *input, int size)
{
char *is, *os;
int i;
if(size)
memcpy(output, input, (size_t)size);
if(len) {
for(is = input, os = output, i = 0; i < len; ++i, ++is, ++os) {
*os = *is;
}
*os = 0;
}
else {
output[0] = 0;
}
output[size] = 0;
}
/*----------------------------------------------------------*/
@@ -269,24 +261,22 @@ static int convertman(char *filespec, FILE *hlp, int base_level,
mode = 1;
}
else {
*h = *m;
++h;
*h++ = *m;
}
break;
case '\\':
if(bol) {
*h = ' '; ++h;
*h = ' '; ++h;
*h++ = ' ';
*h++ = ' ';
}
mode = 2;
break;
default:
if(bol) {
*h = ' '; ++h;
*h = ' '; ++h;
*h++ = ' ';
*h++ = ' ';
}
*h = *m;
++h;
*h++ = *m;
break;
}
break;
@@ -300,7 +290,7 @@ static int convertman(char *filespec, FILE *hlp, int base_level,
break;
case 'B':
++m;
*h = ' '; ++h;
*h++ = ' ';
mode = 0;
break;
case 'I':
@@ -323,7 +313,7 @@ static int convertman(char *filespec, FILE *hlp, int base_level,
/* if line ends in ., this is an EOL */
if(*(h-1) == '.') {
if(*(h - 1) == '.') {
--h;
--m;
}
@@ -337,7 +327,7 @@ static int convertman(char *filespec, FILE *hlp, int base_level,
break;
case 'S':
if(*(m + 1) == 'H') {
*h = '\n';++h;
*h++ = '\n';
if(strncmp(m + 3, "NAME", 4) == 0 ||
strncmp(m + 3, "SYNOPSIS", 8) == 0 ||
strncmp(m + 3, "DESCRIPTION", 11) == 0) {
@@ -350,33 +340,33 @@ static int convertman(char *filespec, FILE *hlp, int base_level,
/* write help level, and flag it */
*h = '0' + base_level + 1; ++h;
*h++ = '0' + base_level + 1;
return_status |= 2;
*h = ' '; ++h;
*h++ = ' ';
/* skip H (or whatever after S) and blank */
++m; ++m;
m += 2;
for(; *m != '\n' && *m != '\r' && *m; ++m, ++h) {
/* write help label in lowercase, skip quotes */
/* fill blanks with underscores */
/* write help label in lowercase, skip quotes */
/* fill blanks with underscores */
if(*m != '\"') {
*h = tolower(*m);
if(*h == ' ')
*h = '_';
}
else {
--h;
}
if(*m != '\"') {
*h = tolower(*m);
if(*h == ' ')
*h = '_';
}
else {
--h;
}
}
/* Add a linefeed or two */
*h = *m; ++h;
*h = *m; ++h;
*h++ = *m;
*h++ = *m;
mode = 0;
}
@@ -384,15 +374,15 @@ static int convertman(char *filespec, FILE *hlp, int base_level,
break;
case 'T':
if(*(m + 1) == 'H') {
*h = '0' + base_level; ++h;
*h++ = '0' + base_level;
return_status |= 2;
*h = ' '; ++h;
*h++ = ' ';
for(m = m + 3; *m != ' ' && *m; ++m, ++h) {
*h = *m;
}
if(add_parentheses) {
*h = '('; ++h;
*h = ')'; ++h;
*h++ = '(';
*h++ = ')';
}
while(*m != '\n' && *m != '\r' && *m)
++m;
@@ -407,15 +397,14 @@ static int convertman(char *filespec, FILE *hlp, int base_level,
break;
case 2: /* after \ skip two characters or print the backslash */
switch(*m) {
case '\\':
*h = *m;
++h;
mode = 0;
break;
default:
++m;
mode = 0;
break;
case '\\':
*h++ = *m;
mode = 0;
break;
default:
++m;
mode = 0;
break;
}
break;
} /* end switch mode */
@@ -527,7 +516,7 @@ int main(int argc, char **argv)
return 1;
}
append = 0;
append = 0;
base_level = 1;
basechange = 0;
add_parentheses = 0;
@@ -536,18 +525,18 @@ int main(int argc, char **argv)
if(argv[i][0] == '-') {
for(j = 1; argv[i][j]; ++j) {
switch(argv[i][j]) {
case 'a':
append = 1;
break;
case 'b':
if((i + 1) < argc) {
base_level = atoi(argv[i + 1]);
basechange = 1;
}
break;
case 'p':
add_parentheses = 1;
break;
case 'a':
append = 1;
break;
case 'b':
if((i + 1) < argc) {
base_level = atoi(argv[i + 1]);
basechange = 1;
}
break;
case 'p':
add_parentheses = 1;
break;
}
}
if(basechange) {