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/* ANALYZE.C */ static int diag ( int xoff , int xlim , int yoff , int ylim , int *cost ); static void compareseq ( int xoff , int xlim , int yoff , int ylim ); void discard_confusing_lines ( struct file_data filevec []); static void shift_boundaries ( struct file_data filevec []); static struct change *add_change ( int line0 , int line1 , int deleted , int inserted , struct change *old ); static struct change *build_reverse_script ( struct file_data filevec []); static struct change *build_script ( struct file_data filevec []); int diff_2_files ( struct file_data filevec [], int depth ); /* CONTEXT.C */ static void print_context_label ( const char *mark , struct file_data *inf , const char *label ); void dosname ( char *ptr ); void print_context_header ( struct file_data *inf , int unidiff_flag ); void print_context_script ( struct change *script , int unidiff_flag ); static void print_context_number_range ( struct file_data *file , int a , int b ); static void pr_context_hunk ( struct change *hunk ); static void print_unidiff_number_range ( struct file_data *file , int a , int b ); static void pr_unidiff_hunk ( struct change *hunk ); static struct change *find_hunk ( struct change *start ); static void mark_ignorable ( struct change *script ); static void find_function ( struct file_data *file , int linenum , char **linep , int *lenp ); /* DIFF.C */ static char *option_list ( char **optionvec , int count ); int main ( int argc , char *argv []); int usage ( void ); int usage ( void ); int specify_style ( enum output_style style ); int compare_files ( char *dir0 , char *name0 , char *dir1 , char *name1 , int depth ); /* DIR.C */ static struct dirdata dir_sort ( char *dirname , int nonex ); /* if using borlandc, do not define prototype for compare_names used */ /* in qsort call in dir.c, else the compiler will belch */ #ifndef __BORLANDC__ static int compare_names ( char **file1 , char **file2 ); #endif int diff_dirs ( char *name1 , char *name2 , int (*handle_file )( char *dir0 , char *name0 , char *dir1 , char *name1 , int depth ) , int depth , int nonex1 , int nonex2 ); /* ED.C */ void print_ed_script ( struct change *script ); static void print_ed_hunk ( struct change *hunk ); void pr_forward_ed_script ( struct change *script ); static void pr_forward_ed_hunk ( struct change *hunk ); void print_rcs_script ( struct change *script ); static void print_rcs_hunk ( struct change *hunk ); /* GETOPT.C */ static void exchange ( char **argv ); int getopt ( int argc , char **argv , const char *optstring ); /* GETOPT1.C */ int getopt_long ( int argc , char **argv , const char *options , const struct option *long_options , int *opt_index ); int getopt_long_only ( int argc , char **argv , const char *options , const struct option *long_options , int *opt_index ); /* IFDEF.C */ void print_ifdef_script ( struct change *script ); static void print_ifdef_hunk ( struct change *hunk ); /* IO.C */ static int binary_file_p ( char *buf , int size ); static int slurp ( void ); void find_and_hash_each_line ( void ); static void find_identical_ends ( struct file_data filevec []); static int find_equiv_class ( int n ); int read_files ( struct file_data filevec []); /* MKTEMP.C */ void Mktemp ( char *file ); /* NORMAL.C */ void print_normal_script ( struct change *script ); void print_normal_hunk ( struct change *hunk ); /* PIPE.C */ static FILE *dos_popen ( char *command , char *mode ); static int dos_pclose ( FILE *current ); FILE *popen ( char *cmd , char *mode ); int pclose ( FILE *ptr ); /* REGEX.C */ static void init_syntax_once ( void ); int re_set_syntax ( int syntax ); static void store_jump ( char *from , char opcode , char *to ); static void insert_jump ( char op , char *from , char *to , char *current_end ); char *re_compile_pattern ( char *pattern , int size , struct re_pattern_buffer *bufp ); void re_compile_fastmap ( struct re_pattern_buffer *bufp ); int re_search ( struct re_pattern_buffer *pbufp , char *string , int size , int startpos , int range , struct re_registers *regs ); int re_search_2 ( struct re_pattern_buffer *pbufp , char *string1 , int size1 , char *string2 , int size2 , int startpos , int range , struct re_registers *regs , int mstop ); int re_match ( struct re_pattern_buffer *pbufp , char *string , int size , int pos , struct re_registers *regs ); int re_match_2 ( struct re_pattern_buffer *pbufp , char *string1_arg , int size1 , char *string2_arg , int size2 , int pos , struct re_registers *regs , int mstop ); static int bcmp_translate ( unsigned char *s1 , unsigned char *s2 , int len , unsigned char *translate ); char *re_comp ( char *s ); int re_exec ( char *s ); /* UTIL.C */ void perror_with_name ( char *text ); void pfatal_with_name ( char *text ); /* void error ( char *format , ... ); */ void fatal ( char *message ); /* void message ( char *format , ... ); */ void print_message_queue ( void ); void setup_output ( char *name0 , char *name1 , int depth ); void finish_output ( void ); int line_cmp ( struct line_def *s1 , struct line_def *s2 ); struct change *find_change ( struct change *start ); struct change *find_reverse_change ( struct change *start ); void print_script ( struct change *script , struct change *(*hunkfun )(), void (*printfun )()); void print_1_line ( char *line_flag , struct line_def *line ); int change_letter ( int inserts , int deletes ); int translate_line_number ( struct file_data *file , int lnum ); void translate_range ( struct file_data *file , int a , int b , int *aptr , int *bptr ); void print_number_range ( char sepchar , struct file_data *file , int a , int b ); void analyze_hunk ( struct change *hunk , int *first0 , int *last0 , int *first1 , int *last1 , int *deletes , int *inserts ); VOID *xmalloc ( unsigned size ); VOID *xrealloc ( VOID *old , unsigned int size ); char *concat ( char *s1 , char *s2 , char *s3 ); int debug_script ( struct change *sp );